Scientists now say an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever ...

A rare interstellar comet is flying through our solar system. Here's how—and when—you might be able to see Comet ATLAS from ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

The European Southern Observatory has captured the clearest images yet of the interstellar visitor 3I/ATLAS as it moves ...

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...

AN INTERSTELLAR space rock zooming through our solar system may be the oldest comet ever seen by humans, according to ...

Astronomers have discovered yet another alien visitor to the Solar System.

However, new research has shown this potentially "water ice-rich" visitor could be even more extraordinary than initially ...

For only the third time in recorded history, an interstellar object has crossed into our solar system, creating quite the ...

The icy traveler, called 3I/ATLAS or Comet ATLAS, was discovered on July 1 by the NASA -funded ATLAS survey telescope in Río Hurtado, Chile. This enormous space snowball came from the direction of the ...

A week and a half after its discovery, there are clues about the origin and age of the interstellar comet 3I/ATLAS – and ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar ...